package com.wynn.config;


import com.wynn.security.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true)
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
	@Autowired
    LoginFailureHandler loginFailureHandler;
	@Autowired
    LoginSuccessHandler loginSuccessHandler;
	@Autowired
	JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint;

	@Autowired
	JwtAccessDeniedHandler jwtAccessDeniedHandler;

	@Autowired
	UserDetailServiceImpl userDetailService;

	@Autowired
	JwtLogoutSuccessHandler jwtLogoutSuccessHandler;

	@Bean
    JwtAuthenticationFilter jwtAuthenticationFilter() throws Exception {
		JwtAuthenticationFilter jwtAuthenticationFilter = new JwtAuthenticationFilter(authenticationManager());
		return jwtAuthenticationFilter;
	}


	@Bean
	BCryptPasswordEncoder bCryptPasswordEncoder() {
		return new BCryptPasswordEncoder();
	}


	public static final String[] URL_WHITELIST = {
			"/webjars/**",
			"/favicon.ico",

			"/captcha",
			"/login",
			"/logout",
	};

	@Override
	protected void configure(HttpSecurity http) throws Exception {
		http.cors().and().csrf().disable()

				// 登录配置
				.formLogin()
				.successHandler(loginSuccessHandler)
				.failureHandler(loginFailureHandler)


				.and()
				.logout()
				.logoutSuccessHandler(jwtLogoutSuccessHandler)

				// 禁用session
				.and()
				.sessionManagement()
				.sessionCreationPolicy(SessionCreationPolicy.STATELESS)

				// 配置拦截规则
				.and()
				.authorizeRequests()
				.antMatchers(URL_WHITELIST).permitAll()
				.anyRequest().authenticated()

				// 异常处理器
				.and()
				.exceptionHandling()
				.authenticationEntryPoint(jwtAuthenticationEntryPoint)
				.accessDeniedHandler(jwtAccessDeniedHandler)
//
				// 配置自定义的过滤器
				.and()
				.addFilter(jwtAuthenticationFilter())
//				.addFilterBefore(captchaFilter, UsernamePasswordAuthenticationFilter.class)

		;
	}

	@Override
	protected void configure(AuthenticationManagerBuilder auth) throws Exception {
		auth.userDetailsService(userDetailService);
	}
}